Domains with DNS TXT v=spf1 include:_spf.mailer.twinfield.com include:_spf.relay.mailprotect.be -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailer.twinfield.com include:_spf.relay.mailprotect.be -all.
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailer.twinfield.com include:_spf.relay.mailprotect.be -all.